1b2441318SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 */ 2f4f75ad5SArd Biesheuvel 3f4f75ad5SArd Biesheuvel #ifndef _DRIVERS_FIRMWARE_EFI_EFISTUB_H 4f4f75ad5SArd Biesheuvel #define _DRIVERS_FIRMWARE_EFI_EFISTUB_H 5f4f75ad5SArd Biesheuvel 6f4f75ad5SArd Biesheuvel /* error code which can't be mistaken for valid address */ 7f4f75ad5SArd Biesheuvel #define EFI_ERROR (~0UL) 8f4f75ad5SArd Biesheuvel 907e83dbbSArd Biesheuvel /* 1007e83dbbSArd Biesheuvel * __init annotations should not be used in the EFI stub, since the code is 1107e83dbbSArd Biesheuvel * either included in the decompressor (x86, ARM) where they have no effect, 1207e83dbbSArd Biesheuvel * or the whole stub is __init annotated at the section level (arm64), by 1307e83dbbSArd Biesheuvel * renaming the sections, in which case the __init annotation will be 1407e83dbbSArd Biesheuvel * redundant, and will result in section names like .init.init.text, and our 1507e83dbbSArd Biesheuvel * linker script does not expect that. 1607e83dbbSArd Biesheuvel */ 1707e83dbbSArd Biesheuvel #undef __init 1807e83dbbSArd Biesheuvel 19a6a14469SArd Biesheuvel /* 20a6a14469SArd Biesheuvel * Allow the platform to override the allocation granularity: this allows 21a6a14469SArd Biesheuvel * systems that have the capability to run with a larger page size to deal 22a6a14469SArd Biesheuvel * with the allocations for initrd and fdt more efficiently. 23a6a14469SArd Biesheuvel */ 24a6a14469SArd Biesheuvel #ifndef EFI_ALLOC_ALIGN 25a6a14469SArd Biesheuvel #define EFI_ALLOC_ALIGN EFI_PAGE_SIZE 26a6a14469SArd Biesheuvel #endif 27a6a14469SArd Biesheuvel 287d4e323dSArd Biesheuvel #ifdef CONFIG_ARM 297d4e323dSArd Biesheuvel #define __efistub_global __section(.data) 307d4e323dSArd Biesheuvel #else 317d4e323dSArd Biesheuvel #define __efistub_global 327d4e323dSArd Biesheuvel #endif 337d4e323dSArd Biesheuvel 345193a33dSArd Biesheuvel extern bool __pure nochunk(void); 357d4e323dSArd Biesheuvel extern bool __pure nokaslr(void); 367d4e323dSArd Biesheuvel extern bool __pure is_quiet(void); 377d4e323dSArd Biesheuvel extern bool __pure novamap(void); 38eeff7d63SArd Biesheuvel 392fcdad2aSArd Biesheuvel extern __pure efi_system_table_t *efi_system_table(void); 402fcdad2aSArd Biesheuvel 418173ec79SArd Biesheuvel #define pr_efi(msg) do { \ 428173ec79SArd Biesheuvel if (!is_quiet()) efi_printk("EFI stub: "msg); \ 43eeff7d63SArd Biesheuvel } while (0) 44eeff7d63SArd Biesheuvel 458173ec79SArd Biesheuvel #define pr_efi_err(msg) efi_printk("EFI stub: ERROR: "msg) 4660f38de7SArd Biesheuvel 47ac9aff8eSIngo Molnar /* Helper macros for the usual case of using simple C variables: */ 48ac9aff8eSIngo Molnar #ifndef fdt_setprop_inplace_var 49ac9aff8eSIngo Molnar #define fdt_setprop_inplace_var(fdt, node_offset, name, var) \ 50ac9aff8eSIngo Molnar fdt_setprop_inplace((fdt), (node_offset), (name), &(var), sizeof(var)) 51ac9aff8eSIngo Molnar #endif 52ac9aff8eSIngo Molnar 53ac9aff8eSIngo Molnar #ifndef fdt_setprop_var 54ac9aff8eSIngo Molnar #define fdt_setprop_var(fdt, node_offset, name, var) \ 55ac9aff8eSIngo Molnar fdt_setprop((fdt), (node_offset), (name), &(var), sizeof(var)) 56ac9aff8eSIngo Molnar #endif 57ac9aff8eSIngo Molnar 58966291f6SArd Biesheuvel #define get_efi_var(name, vendor, ...) \ 59966291f6SArd Biesheuvel efi_rt_call(get_variable, (efi_char16_t *)(name), \ 60966291f6SArd Biesheuvel (efi_guid_t *)(vendor), __VA_ARGS__) 61966291f6SArd Biesheuvel 62966291f6SArd Biesheuvel #define set_efi_var(name, vendor, ...) \ 63966291f6SArd Biesheuvel efi_rt_call(set_variable, (efi_char16_t *)(name), \ 64966291f6SArd Biesheuvel (efi_guid_t *)(vendor), __VA_ARGS__) 65966291f6SArd Biesheuvel 668166ec09SArd Biesheuvel #define efi_get_handle_at(array, idx) \ 678166ec09SArd Biesheuvel (efi_is_native() ? (array)[idx] \ 688166ec09SArd Biesheuvel : (efi_handle_t)(unsigned long)((u32 *)(array))[idx]) 698166ec09SArd Biesheuvel 708166ec09SArd Biesheuvel #define efi_get_handle_num(size) \ 718166ec09SArd Biesheuvel ((size) / (efi_is_native() ? sizeof(efi_handle_t) : sizeof(u32))) 728166ec09SArd Biesheuvel 738166ec09SArd Biesheuvel #define for_each_efi_handle(handle, array, size, i) \ 748166ec09SArd Biesheuvel for (i = 0; \ 758166ec09SArd Biesheuvel i < efi_get_handle_num(size) && \ 768166ec09SArd Biesheuvel ((handle = efi_get_handle_at((array), i)) || true); \ 778166ec09SArd Biesheuvel i++) 788166ec09SArd Biesheuvel 798166ec09SArd Biesheuvel /* 808166ec09SArd Biesheuvel * Allocation types for calls to boottime->allocate_pages. 818166ec09SArd Biesheuvel */ 828166ec09SArd Biesheuvel #define EFI_ALLOCATE_ANY_PAGES 0 838166ec09SArd Biesheuvel #define EFI_ALLOCATE_MAX_ADDRESS 1 848166ec09SArd Biesheuvel #define EFI_ALLOCATE_ADDRESS 2 858166ec09SArd Biesheuvel #define EFI_MAX_ALLOCATE_TYPE 3 868166ec09SArd Biesheuvel 878166ec09SArd Biesheuvel /* 888166ec09SArd Biesheuvel * The type of search to perform when calling boottime->locate_handle 898166ec09SArd Biesheuvel */ 908166ec09SArd Biesheuvel #define EFI_LOCATE_ALL_HANDLES 0 918166ec09SArd Biesheuvel #define EFI_LOCATE_BY_REGISTER_NOTIFY 1 928166ec09SArd Biesheuvel #define EFI_LOCATE_BY_PROTOCOL 2 938166ec09SArd Biesheuvel 948166ec09SArd Biesheuvel struct efi_boot_memmap { 958166ec09SArd Biesheuvel efi_memory_desc_t **map; 968166ec09SArd Biesheuvel unsigned long *map_size; 978166ec09SArd Biesheuvel unsigned long *desc_size; 988166ec09SArd Biesheuvel u32 *desc_ver; 998166ec09SArd Biesheuvel unsigned long *key_ptr; 1008166ec09SArd Biesheuvel unsigned long *buff_size; 1018166ec09SArd Biesheuvel }; 1028166ec09SArd Biesheuvel 103abd26868SArd Biesheuvel typedef struct efi_generic_dev_path efi_device_path_protocol_t; 104abd26868SArd Biesheuvel 1058166ec09SArd Biesheuvel /* 1068166ec09SArd Biesheuvel * EFI Boot Services table 1078166ec09SArd Biesheuvel */ 1088166ec09SArd Biesheuvel union efi_boot_services { 1098166ec09SArd Biesheuvel struct { 1108166ec09SArd Biesheuvel efi_table_hdr_t hdr; 1118166ec09SArd Biesheuvel void *raise_tpl; 1128166ec09SArd Biesheuvel void *restore_tpl; 1138166ec09SArd Biesheuvel efi_status_t (__efiapi *allocate_pages)(int, int, unsigned long, 1148166ec09SArd Biesheuvel efi_physical_addr_t *); 1158166ec09SArd Biesheuvel efi_status_t (__efiapi *free_pages)(efi_physical_addr_t, 1168166ec09SArd Biesheuvel unsigned long); 1178166ec09SArd Biesheuvel efi_status_t (__efiapi *get_memory_map)(unsigned long *, void *, 1188166ec09SArd Biesheuvel unsigned long *, 1198166ec09SArd Biesheuvel unsigned long *, u32 *); 1208166ec09SArd Biesheuvel efi_status_t (__efiapi *allocate_pool)(int, unsigned long, 1218166ec09SArd Biesheuvel void **); 1228166ec09SArd Biesheuvel efi_status_t (__efiapi *free_pool)(void *); 1238166ec09SArd Biesheuvel void *create_event; 1248166ec09SArd Biesheuvel void *set_timer; 1258166ec09SArd Biesheuvel void *wait_for_event; 1268166ec09SArd Biesheuvel void *signal_event; 1278166ec09SArd Biesheuvel void *close_event; 1288166ec09SArd Biesheuvel void *check_event; 1298166ec09SArd Biesheuvel void *install_protocol_interface; 1308166ec09SArd Biesheuvel void *reinstall_protocol_interface; 1318166ec09SArd Biesheuvel void *uninstall_protocol_interface; 1328166ec09SArd Biesheuvel efi_status_t (__efiapi *handle_protocol)(efi_handle_t, 1338166ec09SArd Biesheuvel efi_guid_t *, void **); 1348166ec09SArd Biesheuvel void *__reserved; 1358166ec09SArd Biesheuvel void *register_protocol_notify; 1368166ec09SArd Biesheuvel efi_status_t (__efiapi *locate_handle)(int, efi_guid_t *, 1378166ec09SArd Biesheuvel void *, unsigned long *, 1388166ec09SArd Biesheuvel efi_handle_t *); 139abd26868SArd Biesheuvel efi_status_t (__efiapi *locate_device_path)(efi_guid_t *, 140abd26868SArd Biesheuvel efi_device_path_protocol_t **, 141abd26868SArd Biesheuvel efi_handle_t *); 1428166ec09SArd Biesheuvel efi_status_t (__efiapi *install_configuration_table)(efi_guid_t *, 1438166ec09SArd Biesheuvel void *); 1448166ec09SArd Biesheuvel void *load_image; 1458166ec09SArd Biesheuvel void *start_image; 1468166ec09SArd Biesheuvel void *exit; 1478166ec09SArd Biesheuvel void *unload_image; 1488166ec09SArd Biesheuvel efi_status_t (__efiapi *exit_boot_services)(efi_handle_t, 1498166ec09SArd Biesheuvel unsigned long); 1508166ec09SArd Biesheuvel void *get_next_monotonic_count; 1518166ec09SArd Biesheuvel void *stall; 1528166ec09SArd Biesheuvel void *set_watchdog_timer; 1538166ec09SArd Biesheuvel void *connect_controller; 1548166ec09SArd Biesheuvel efi_status_t (__efiapi *disconnect_controller)(efi_handle_t, 1558166ec09SArd Biesheuvel efi_handle_t, 1568166ec09SArd Biesheuvel efi_handle_t); 1578166ec09SArd Biesheuvel void *open_protocol; 1588166ec09SArd Biesheuvel void *close_protocol; 1598166ec09SArd Biesheuvel void *open_protocol_information; 1608166ec09SArd Biesheuvel void *protocols_per_handle; 1618166ec09SArd Biesheuvel void *locate_handle_buffer; 1628166ec09SArd Biesheuvel efi_status_t (__efiapi *locate_protocol)(efi_guid_t *, void *, 1638166ec09SArd Biesheuvel void **); 1648166ec09SArd Biesheuvel void *install_multiple_protocol_interfaces; 1658166ec09SArd Biesheuvel void *uninstall_multiple_protocol_interfaces; 1668166ec09SArd Biesheuvel void *calculate_crc32; 1678166ec09SArd Biesheuvel void *copy_mem; 1688166ec09SArd Biesheuvel void *set_mem; 1698166ec09SArd Biesheuvel void *create_event_ex; 1708166ec09SArd Biesheuvel }; 1718166ec09SArd Biesheuvel struct { 1728166ec09SArd Biesheuvel efi_table_hdr_t hdr; 1738166ec09SArd Biesheuvel u32 raise_tpl; 1748166ec09SArd Biesheuvel u32 restore_tpl; 1758166ec09SArd Biesheuvel u32 allocate_pages; 1768166ec09SArd Biesheuvel u32 free_pages; 1778166ec09SArd Biesheuvel u32 get_memory_map; 1788166ec09SArd Biesheuvel u32 allocate_pool; 1798166ec09SArd Biesheuvel u32 free_pool; 1808166ec09SArd Biesheuvel u32 create_event; 1818166ec09SArd Biesheuvel u32 set_timer; 1828166ec09SArd Biesheuvel u32 wait_for_event; 1838166ec09SArd Biesheuvel u32 signal_event; 1848166ec09SArd Biesheuvel u32 close_event; 1858166ec09SArd Biesheuvel u32 check_event; 1868166ec09SArd Biesheuvel u32 install_protocol_interface; 1878166ec09SArd Biesheuvel u32 reinstall_protocol_interface; 1888166ec09SArd Biesheuvel u32 uninstall_protocol_interface; 1898166ec09SArd Biesheuvel u32 handle_protocol; 1908166ec09SArd Biesheuvel u32 __reserved; 1918166ec09SArd Biesheuvel u32 register_protocol_notify; 1928166ec09SArd Biesheuvel u32 locate_handle; 1938166ec09SArd Biesheuvel u32 locate_device_path; 1948166ec09SArd Biesheuvel u32 install_configuration_table; 1958166ec09SArd Biesheuvel u32 load_image; 1968166ec09SArd Biesheuvel u32 start_image; 1978166ec09SArd Biesheuvel u32 exit; 1988166ec09SArd Biesheuvel u32 unload_image; 1998166ec09SArd Biesheuvel u32 exit_boot_services; 2008166ec09SArd Biesheuvel u32 get_next_monotonic_count; 2018166ec09SArd Biesheuvel u32 stall; 2028166ec09SArd Biesheuvel u32 set_watchdog_timer; 2038166ec09SArd Biesheuvel u32 connect_controller; 2048166ec09SArd Biesheuvel u32 disconnect_controller; 2058166ec09SArd Biesheuvel u32 open_protocol; 2068166ec09SArd Biesheuvel u32 close_protocol; 2078166ec09SArd Biesheuvel u32 open_protocol_information; 2088166ec09SArd Biesheuvel u32 protocols_per_handle; 2098166ec09SArd Biesheuvel u32 locate_handle_buffer; 2108166ec09SArd Biesheuvel u32 locate_protocol; 2118166ec09SArd Biesheuvel u32 install_multiple_protocol_interfaces; 2128166ec09SArd Biesheuvel u32 uninstall_multiple_protocol_interfaces; 2138166ec09SArd Biesheuvel u32 calculate_crc32; 2148166ec09SArd Biesheuvel u32 copy_mem; 2158166ec09SArd Biesheuvel u32 set_mem; 2168166ec09SArd Biesheuvel u32 create_event_ex; 2178166ec09SArd Biesheuvel } mixed_mode; 2188166ec09SArd Biesheuvel }; 2198166ec09SArd Biesheuvel 220c2d0b470SArd Biesheuvel typedef union efi_uga_draw_protocol efi_uga_draw_protocol_t; 221c2d0b470SArd Biesheuvel 222c2d0b470SArd Biesheuvel union efi_uga_draw_protocol { 223c2d0b470SArd Biesheuvel struct { 224c2d0b470SArd Biesheuvel efi_status_t (__efiapi *get_mode)(efi_uga_draw_protocol_t *, 225c2d0b470SArd Biesheuvel u32*, u32*, u32*, u32*); 226c2d0b470SArd Biesheuvel void *set_mode; 227c2d0b470SArd Biesheuvel void *blt; 228c2d0b470SArd Biesheuvel }; 229c2d0b470SArd Biesheuvel struct { 230c2d0b470SArd Biesheuvel u32 get_mode; 231c2d0b470SArd Biesheuvel u32 set_mode; 232c2d0b470SArd Biesheuvel u32 blt; 233c2d0b470SArd Biesheuvel } mixed_mode; 234c2d0b470SArd Biesheuvel }; 235c2d0b470SArd Biesheuvel 2368166ec09SArd Biesheuvel union efi_simple_text_output_protocol { 2378166ec09SArd Biesheuvel struct { 2388166ec09SArd Biesheuvel void *reset; 2398166ec09SArd Biesheuvel efi_status_t (__efiapi *output_string)(efi_simple_text_output_protocol_t *, 2408166ec09SArd Biesheuvel efi_char16_t *); 2418166ec09SArd Biesheuvel void *test_string; 2428166ec09SArd Biesheuvel }; 2438166ec09SArd Biesheuvel struct { 2448166ec09SArd Biesheuvel u32 reset; 2458166ec09SArd Biesheuvel u32 output_string; 2468166ec09SArd Biesheuvel u32 test_string; 2478166ec09SArd Biesheuvel } mixed_mode; 2488166ec09SArd Biesheuvel }; 2498166ec09SArd Biesheuvel 2508166ec09SArd Biesheuvel #define PIXEL_RGB_RESERVED_8BIT_PER_COLOR 0 2518166ec09SArd Biesheuvel #define PIXEL_BGR_RESERVED_8BIT_PER_COLOR 1 2528166ec09SArd Biesheuvel #define PIXEL_BIT_MASK 2 2538166ec09SArd Biesheuvel #define PIXEL_BLT_ONLY 3 2548166ec09SArd Biesheuvel #define PIXEL_FORMAT_MAX 4 2558166ec09SArd Biesheuvel 2568166ec09SArd Biesheuvel typedef struct { 2578166ec09SArd Biesheuvel u32 red_mask; 2588166ec09SArd Biesheuvel u32 green_mask; 2598166ec09SArd Biesheuvel u32 blue_mask; 2608166ec09SArd Biesheuvel u32 reserved_mask; 2618166ec09SArd Biesheuvel } efi_pixel_bitmask_t; 2628166ec09SArd Biesheuvel 2638166ec09SArd Biesheuvel typedef struct { 2648166ec09SArd Biesheuvel u32 version; 2658166ec09SArd Biesheuvel u32 horizontal_resolution; 2668166ec09SArd Biesheuvel u32 vertical_resolution; 2678166ec09SArd Biesheuvel int pixel_format; 2688166ec09SArd Biesheuvel efi_pixel_bitmask_t pixel_information; 2698166ec09SArd Biesheuvel u32 pixels_per_scan_line; 2708166ec09SArd Biesheuvel } efi_graphics_output_mode_info_t; 2718166ec09SArd Biesheuvel 2728166ec09SArd Biesheuvel typedef union efi_graphics_output_protocol_mode efi_graphics_output_protocol_mode_t; 2738166ec09SArd Biesheuvel 2748166ec09SArd Biesheuvel union efi_graphics_output_protocol_mode { 2758166ec09SArd Biesheuvel struct { 2768166ec09SArd Biesheuvel u32 max_mode; 2778166ec09SArd Biesheuvel u32 mode; 2788166ec09SArd Biesheuvel efi_graphics_output_mode_info_t *info; 2798166ec09SArd Biesheuvel unsigned long size_of_info; 2808166ec09SArd Biesheuvel efi_physical_addr_t frame_buffer_base; 2818166ec09SArd Biesheuvel unsigned long frame_buffer_size; 2828166ec09SArd Biesheuvel }; 2838166ec09SArd Biesheuvel struct { 2848166ec09SArd Biesheuvel u32 max_mode; 2858166ec09SArd Biesheuvel u32 mode; 2868166ec09SArd Biesheuvel u32 info; 2878166ec09SArd Biesheuvel u32 size_of_info; 2888166ec09SArd Biesheuvel u64 frame_buffer_base; 2898166ec09SArd Biesheuvel u32 frame_buffer_size; 2908166ec09SArd Biesheuvel } mixed_mode; 2918166ec09SArd Biesheuvel }; 2928166ec09SArd Biesheuvel 2938166ec09SArd Biesheuvel typedef union efi_graphics_output_protocol efi_graphics_output_protocol_t; 2948166ec09SArd Biesheuvel 2958166ec09SArd Biesheuvel union efi_graphics_output_protocol { 2968166ec09SArd Biesheuvel struct { 2978166ec09SArd Biesheuvel void *query_mode; 2988166ec09SArd Biesheuvel void *set_mode; 2998166ec09SArd Biesheuvel void *blt; 3008166ec09SArd Biesheuvel efi_graphics_output_protocol_mode_t *mode; 3018166ec09SArd Biesheuvel }; 3028166ec09SArd Biesheuvel struct { 3038166ec09SArd Biesheuvel u32 query_mode; 3048166ec09SArd Biesheuvel u32 set_mode; 3058166ec09SArd Biesheuvel u32 blt; 3068166ec09SArd Biesheuvel u32 mode; 3078166ec09SArd Biesheuvel } mixed_mode; 3088166ec09SArd Biesheuvel }; 3098166ec09SArd Biesheuvel 3108166ec09SArd Biesheuvel typedef struct { 311a46a290aSArd Biesheuvel u32 revision; 312a46a290aSArd Biesheuvel efi_handle_t parent_handle; 313a46a290aSArd Biesheuvel efi_system_table_t *system_table; 314a46a290aSArd Biesheuvel efi_handle_t device_handle; 315a46a290aSArd Biesheuvel void *file_path; 316a46a290aSArd Biesheuvel void *reserved; 317a46a290aSArd Biesheuvel u32 load_options_size; 318a46a290aSArd Biesheuvel void *load_options; 319a46a290aSArd Biesheuvel void *image_base; 320a46a290aSArd Biesheuvel __aligned_u64 image_size; 321a46a290aSArd Biesheuvel unsigned int image_code_type; 322a46a290aSArd Biesheuvel unsigned int image_data_type; 323a46a290aSArd Biesheuvel efi_status_t (__efiapi *unload)(efi_handle_t image_handle); 324a46a290aSArd Biesheuvel } efi_loaded_image_t; 325a46a290aSArd Biesheuvel 326a46a290aSArd Biesheuvel typedef struct { 327a46a290aSArd Biesheuvel u64 size; 328a46a290aSArd Biesheuvel u64 file_size; 329a46a290aSArd Biesheuvel u64 phys_size; 330a46a290aSArd Biesheuvel efi_time_t create_time; 331a46a290aSArd Biesheuvel efi_time_t last_access_time; 332a46a290aSArd Biesheuvel efi_time_t modification_time; 333a46a290aSArd Biesheuvel __aligned_u64 attribute; 3349302c1bbSArd Biesheuvel efi_char16_t filename[]; 335a46a290aSArd Biesheuvel } efi_file_info_t; 336a46a290aSArd Biesheuvel 337a46a290aSArd Biesheuvel typedef struct efi_file_protocol efi_file_protocol_t; 338a46a290aSArd Biesheuvel 339a46a290aSArd Biesheuvel struct efi_file_protocol { 340a46a290aSArd Biesheuvel u64 revision; 341a46a290aSArd Biesheuvel efi_status_t (__efiapi *open) (efi_file_protocol_t *, 342a46a290aSArd Biesheuvel efi_file_protocol_t **, 343a46a290aSArd Biesheuvel efi_char16_t *, u64, u64); 344a46a290aSArd Biesheuvel efi_status_t (__efiapi *close) (efi_file_protocol_t *); 345a46a290aSArd Biesheuvel efi_status_t (__efiapi *delete) (efi_file_protocol_t *); 346a46a290aSArd Biesheuvel efi_status_t (__efiapi *read) (efi_file_protocol_t *, 347a46a290aSArd Biesheuvel unsigned long *, void *); 348a46a290aSArd Biesheuvel efi_status_t (__efiapi *write) (efi_file_protocol_t *, 349a46a290aSArd Biesheuvel unsigned long, void *); 350a46a290aSArd Biesheuvel efi_status_t (__efiapi *get_position)(efi_file_protocol_t *, u64 *); 351a46a290aSArd Biesheuvel efi_status_t (__efiapi *set_position)(efi_file_protocol_t *, u64); 352a46a290aSArd Biesheuvel efi_status_t (__efiapi *get_info) (efi_file_protocol_t *, 353a46a290aSArd Biesheuvel efi_guid_t *, unsigned long *, 354a46a290aSArd Biesheuvel void *); 355a46a290aSArd Biesheuvel efi_status_t (__efiapi *set_info) (efi_file_protocol_t *, 356a46a290aSArd Biesheuvel efi_guid_t *, unsigned long, 357a46a290aSArd Biesheuvel void *); 358a46a290aSArd Biesheuvel efi_status_t (__efiapi *flush) (efi_file_protocol_t *); 359a46a290aSArd Biesheuvel }; 360a46a290aSArd Biesheuvel 361a46a290aSArd Biesheuvel typedef struct efi_simple_file_system_protocol efi_simple_file_system_protocol_t; 362a46a290aSArd Biesheuvel 363a46a290aSArd Biesheuvel struct efi_simple_file_system_protocol { 364a46a290aSArd Biesheuvel u64 revision; 365a46a290aSArd Biesheuvel int (__efiapi *open_volume)(efi_simple_file_system_protocol_t *, 366a46a290aSArd Biesheuvel efi_file_protocol_t **); 367a46a290aSArd Biesheuvel }; 368a46a290aSArd Biesheuvel 369a46a290aSArd Biesheuvel #define EFI_FILE_MODE_READ 0x0000000000000001 370a46a290aSArd Biesheuvel #define EFI_FILE_MODE_WRITE 0x0000000000000002 371a46a290aSArd Biesheuvel #define EFI_FILE_MODE_CREATE 0x8000000000000000 372a46a290aSArd Biesheuvel 3738166ec09SArd Biesheuvel typedef enum { 3748166ec09SArd Biesheuvel EfiPciIoWidthUint8, 3758166ec09SArd Biesheuvel EfiPciIoWidthUint16, 3768166ec09SArd Biesheuvel EfiPciIoWidthUint32, 3778166ec09SArd Biesheuvel EfiPciIoWidthUint64, 3788166ec09SArd Biesheuvel EfiPciIoWidthFifoUint8, 3798166ec09SArd Biesheuvel EfiPciIoWidthFifoUint16, 3808166ec09SArd Biesheuvel EfiPciIoWidthFifoUint32, 3818166ec09SArd Biesheuvel EfiPciIoWidthFifoUint64, 3828166ec09SArd Biesheuvel EfiPciIoWidthFillUint8, 3838166ec09SArd Biesheuvel EfiPciIoWidthFillUint16, 3848166ec09SArd Biesheuvel EfiPciIoWidthFillUint32, 3858166ec09SArd Biesheuvel EfiPciIoWidthFillUint64, 3868166ec09SArd Biesheuvel EfiPciIoWidthMaximum 3878166ec09SArd Biesheuvel } EFI_PCI_IO_PROTOCOL_WIDTH; 3888166ec09SArd Biesheuvel 3898166ec09SArd Biesheuvel typedef enum { 3908166ec09SArd Biesheuvel EfiPciIoAttributeOperationGet, 3918166ec09SArd Biesheuvel EfiPciIoAttributeOperationSet, 3928166ec09SArd Biesheuvel EfiPciIoAttributeOperationEnable, 3938166ec09SArd Biesheuvel EfiPciIoAttributeOperationDisable, 3948166ec09SArd Biesheuvel EfiPciIoAttributeOperationSupported, 3958166ec09SArd Biesheuvel EfiPciIoAttributeOperationMaximum 3968166ec09SArd Biesheuvel } EFI_PCI_IO_PROTOCOL_ATTRIBUTE_OPERATION; 3978166ec09SArd Biesheuvel 3988166ec09SArd Biesheuvel typedef struct { 3998166ec09SArd Biesheuvel u32 read; 4008166ec09SArd Biesheuvel u32 write; 4018166ec09SArd Biesheuvel } efi_pci_io_protocol_access_32_t; 4028166ec09SArd Biesheuvel 4038166ec09SArd Biesheuvel typedef union efi_pci_io_protocol efi_pci_io_protocol_t; 4048166ec09SArd Biesheuvel 4058166ec09SArd Biesheuvel typedef 4068166ec09SArd Biesheuvel efi_status_t (__efiapi *efi_pci_io_protocol_cfg_t)(efi_pci_io_protocol_t *, 4078166ec09SArd Biesheuvel EFI_PCI_IO_PROTOCOL_WIDTH, 4088166ec09SArd Biesheuvel u32 offset, 4098166ec09SArd Biesheuvel unsigned long count, 4108166ec09SArd Biesheuvel void *buffer); 4118166ec09SArd Biesheuvel 4128166ec09SArd Biesheuvel typedef struct { 4138166ec09SArd Biesheuvel void *read; 4148166ec09SArd Biesheuvel void *write; 4158166ec09SArd Biesheuvel } efi_pci_io_protocol_access_t; 4168166ec09SArd Biesheuvel 4178166ec09SArd Biesheuvel typedef struct { 4188166ec09SArd Biesheuvel efi_pci_io_protocol_cfg_t read; 4198166ec09SArd Biesheuvel efi_pci_io_protocol_cfg_t write; 4208166ec09SArd Biesheuvel } efi_pci_io_protocol_config_access_t; 4218166ec09SArd Biesheuvel 4228166ec09SArd Biesheuvel union efi_pci_io_protocol { 4238166ec09SArd Biesheuvel struct { 4248166ec09SArd Biesheuvel void *poll_mem; 4258166ec09SArd Biesheuvel void *poll_io; 4268166ec09SArd Biesheuvel efi_pci_io_protocol_access_t mem; 4278166ec09SArd Biesheuvel efi_pci_io_protocol_access_t io; 4288166ec09SArd Biesheuvel efi_pci_io_protocol_config_access_t pci; 4298166ec09SArd Biesheuvel void *copy_mem; 4308166ec09SArd Biesheuvel void *map; 4318166ec09SArd Biesheuvel void *unmap; 4328166ec09SArd Biesheuvel void *allocate_buffer; 4338166ec09SArd Biesheuvel void *free_buffer; 4348166ec09SArd Biesheuvel void *flush; 4358166ec09SArd Biesheuvel efi_status_t (__efiapi *get_location)(efi_pci_io_protocol_t *, 4368166ec09SArd Biesheuvel unsigned long *segment_nr, 4378166ec09SArd Biesheuvel unsigned long *bus_nr, 4388166ec09SArd Biesheuvel unsigned long *device_nr, 4398166ec09SArd Biesheuvel unsigned long *func_nr); 4408166ec09SArd Biesheuvel void *attributes; 4418166ec09SArd Biesheuvel void *get_bar_attributes; 4428166ec09SArd Biesheuvel void *set_bar_attributes; 4438166ec09SArd Biesheuvel uint64_t romsize; 4448166ec09SArd Biesheuvel void *romimage; 4458166ec09SArd Biesheuvel }; 4468166ec09SArd Biesheuvel struct { 4478166ec09SArd Biesheuvel u32 poll_mem; 4488166ec09SArd Biesheuvel u32 poll_io; 4498166ec09SArd Biesheuvel efi_pci_io_protocol_access_32_t mem; 4508166ec09SArd Biesheuvel efi_pci_io_protocol_access_32_t io; 4518166ec09SArd Biesheuvel efi_pci_io_protocol_access_32_t pci; 4528166ec09SArd Biesheuvel u32 copy_mem; 4538166ec09SArd Biesheuvel u32 map; 4548166ec09SArd Biesheuvel u32 unmap; 4558166ec09SArd Biesheuvel u32 allocate_buffer; 4568166ec09SArd Biesheuvel u32 free_buffer; 4578166ec09SArd Biesheuvel u32 flush; 4588166ec09SArd Biesheuvel u32 get_location; 4598166ec09SArd Biesheuvel u32 attributes; 4608166ec09SArd Biesheuvel u32 get_bar_attributes; 4618166ec09SArd Biesheuvel u32 set_bar_attributes; 4628166ec09SArd Biesheuvel u64 romsize; 4638166ec09SArd Biesheuvel u32 romimage; 4648166ec09SArd Biesheuvel } mixed_mode; 4658166ec09SArd Biesheuvel }; 4668166ec09SArd Biesheuvel 4678166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_ISA_MOTHERBOARD_IO 0x0001 4688166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_ISA_IO 0x0002 4698166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_VGA_PALETTE_IO 0x0004 4708166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_VGA_MEMORY 0x0008 4718166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_VGA_IO 0x0010 4728166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_IDE_PRIMARY_IO 0x0020 4738166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_IDE_SECONDARY_IO 0x0040 4748166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_MEMORY_WRITE_COMBINE 0x0080 4758166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_IO 0x0100 4768166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_MEMORY 0x0200 4778166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_BUS_MASTER 0x0400 4788166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_MEMORY_CACHED 0x0800 4798166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_MEMORY_DISABLE 0x1000 4808166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_EMBEDDED_DEVICE 0x2000 4818166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_EMBEDDED_ROM 0x4000 4828166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_DUAL_ADDRESS_CYCLE 0x8000 4838166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_ISA_IO_16 0x10000 4848166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_VGA_PALETTE_IO_16 0x20000 4858166ec09SArd Biesheuvel #define EFI_PCI_IO_ATTRIBUTE_VGA_IO_16 0x40000 4868166ec09SArd Biesheuvel 4878166ec09SArd Biesheuvel struct efi_dev_path; 4888166ec09SArd Biesheuvel 4898166ec09SArd Biesheuvel typedef union apple_properties_protocol apple_properties_protocol_t; 4908166ec09SArd Biesheuvel 4918166ec09SArd Biesheuvel union apple_properties_protocol { 4928166ec09SArd Biesheuvel struct { 4938166ec09SArd Biesheuvel unsigned long version; 4948166ec09SArd Biesheuvel efi_status_t (__efiapi *get)(apple_properties_protocol_t *, 4958166ec09SArd Biesheuvel struct efi_dev_path *, 4968166ec09SArd Biesheuvel efi_char16_t *, void *, u32 *); 4978166ec09SArd Biesheuvel efi_status_t (__efiapi *set)(apple_properties_protocol_t *, 4988166ec09SArd Biesheuvel struct efi_dev_path *, 4998166ec09SArd Biesheuvel efi_char16_t *, void *, u32); 5008166ec09SArd Biesheuvel efi_status_t (__efiapi *del)(apple_properties_protocol_t *, 5018166ec09SArd Biesheuvel struct efi_dev_path *, 5028166ec09SArd Biesheuvel efi_char16_t *); 5038166ec09SArd Biesheuvel efi_status_t (__efiapi *get_all)(apple_properties_protocol_t *, 5048166ec09SArd Biesheuvel void *buffer, u32 *); 5058166ec09SArd Biesheuvel }; 5068166ec09SArd Biesheuvel struct { 5078166ec09SArd Biesheuvel u32 version; 5088166ec09SArd Biesheuvel u32 get; 5098166ec09SArd Biesheuvel u32 set; 5108166ec09SArd Biesheuvel u32 del; 5118166ec09SArd Biesheuvel u32 get_all; 5128166ec09SArd Biesheuvel } mixed_mode; 5138166ec09SArd Biesheuvel }; 5148166ec09SArd Biesheuvel 5158166ec09SArd Biesheuvel typedef u32 efi_tcg2_event_log_format; 5168166ec09SArd Biesheuvel 5178166ec09SArd Biesheuvel typedef union efi_tcg2_protocol efi_tcg2_protocol_t; 5188166ec09SArd Biesheuvel 5198166ec09SArd Biesheuvel union efi_tcg2_protocol { 5208166ec09SArd Biesheuvel struct { 5218166ec09SArd Biesheuvel void *get_capability; 5228166ec09SArd Biesheuvel efi_status_t (__efiapi *get_event_log)(efi_handle_t, 5238166ec09SArd Biesheuvel efi_tcg2_event_log_format, 5248166ec09SArd Biesheuvel efi_physical_addr_t *, 5258166ec09SArd Biesheuvel efi_physical_addr_t *, 5268166ec09SArd Biesheuvel efi_bool_t *); 5278166ec09SArd Biesheuvel void *hash_log_extend_event; 5288166ec09SArd Biesheuvel void *submit_command; 5298166ec09SArd Biesheuvel void *get_active_pcr_banks; 5308166ec09SArd Biesheuvel void *set_active_pcr_banks; 5318166ec09SArd Biesheuvel void *get_result_of_set_active_pcr_banks; 5328166ec09SArd Biesheuvel }; 5338166ec09SArd Biesheuvel struct { 5348166ec09SArd Biesheuvel u32 get_capability; 5358166ec09SArd Biesheuvel u32 get_event_log; 5368166ec09SArd Biesheuvel u32 hash_log_extend_event; 5378166ec09SArd Biesheuvel u32 submit_command; 5388166ec09SArd Biesheuvel u32 get_active_pcr_banks; 5398166ec09SArd Biesheuvel u32 set_active_pcr_banks; 5408166ec09SArd Biesheuvel u32 get_result_of_set_active_pcr_banks; 5418166ec09SArd Biesheuvel } mixed_mode; 5428166ec09SArd Biesheuvel }; 5438166ec09SArd Biesheuvel 5442931d526SArd Biesheuvel typedef union efi_load_file_protocol efi_load_file_protocol_t; 5452931d526SArd Biesheuvel typedef union efi_load_file_protocol efi_load_file2_protocol_t; 5462931d526SArd Biesheuvel 5472931d526SArd Biesheuvel union efi_load_file_protocol { 5482931d526SArd Biesheuvel struct { 5492931d526SArd Biesheuvel efi_status_t (__efiapi *load_file)(efi_load_file_protocol_t *, 5502931d526SArd Biesheuvel efi_device_path_protocol_t *, 5512931d526SArd Biesheuvel bool, unsigned long *, void *); 5522931d526SArd Biesheuvel }; 5532931d526SArd Biesheuvel struct { 5542931d526SArd Biesheuvel u32 load_file; 5552931d526SArd Biesheuvel } mixed_mode; 5562931d526SArd Biesheuvel }; 5572931d526SArd Biesheuvel 5588166ec09SArd Biesheuvel void efi_pci_disable_bridge_busmaster(void); 5598166ec09SArd Biesheuvel 5608166ec09SArd Biesheuvel typedef efi_status_t (*efi_exit_boot_map_processing)( 5618166ec09SArd Biesheuvel struct efi_boot_memmap *map, 5628166ec09SArd Biesheuvel void *priv); 5638166ec09SArd Biesheuvel 5648166ec09SArd Biesheuvel efi_status_t efi_exit_boot_services(void *handle, 5658166ec09SArd Biesheuvel struct efi_boot_memmap *map, 5668166ec09SArd Biesheuvel void *priv, 5678166ec09SArd Biesheuvel efi_exit_boot_map_processing priv_func); 5688166ec09SArd Biesheuvel 5698166ec09SArd Biesheuvel void efi_char16_printk(efi_char16_t *); 5708166ec09SArd Biesheuvel 5718166ec09SArd Biesheuvel efi_status_t allocate_new_fdt_and_exit_boot(void *handle, 5728166ec09SArd Biesheuvel unsigned long *new_fdt_addr, 5738166ec09SArd Biesheuvel unsigned long max_addr, 5748166ec09SArd Biesheuvel u64 initrd_addr, u64 initrd_size, 5758166ec09SArd Biesheuvel char *cmdline_ptr, 5768166ec09SArd Biesheuvel unsigned long fdt_addr, 5778166ec09SArd Biesheuvel unsigned long fdt_size); 5788166ec09SArd Biesheuvel 5798166ec09SArd Biesheuvel void *get_fdt(unsigned long *fdt_size); 5808166ec09SArd Biesheuvel 5818166ec09SArd Biesheuvel void efi_get_virtmap(efi_memory_desc_t *memory_map, unsigned long map_size, 5828166ec09SArd Biesheuvel unsigned long desc_size, efi_memory_desc_t *runtime_map, 5838166ec09SArd Biesheuvel int *count); 5848166ec09SArd Biesheuvel 5858166ec09SArd Biesheuvel efi_status_t efi_get_random_bytes(unsigned long size, u8 *out); 5868166ec09SArd Biesheuvel 5878166ec09SArd Biesheuvel efi_status_t efi_random_alloc(unsigned long size, unsigned long align, 5888166ec09SArd Biesheuvel unsigned long *addr, unsigned long random_seed); 5898166ec09SArd Biesheuvel 5908166ec09SArd Biesheuvel efi_status_t check_platform_features(void); 5918166ec09SArd Biesheuvel 5928166ec09SArd Biesheuvel void *get_efi_config_table(efi_guid_t guid); 5938166ec09SArd Biesheuvel 5948166ec09SArd Biesheuvel void efi_printk(char *str); 5958166ec09SArd Biesheuvel 5968166ec09SArd Biesheuvel void efi_free(unsigned long size, unsigned long addr); 5978166ec09SArd Biesheuvel 5981e45bf73SArd Biesheuvel char *efi_convert_cmdline(efi_loaded_image_t *image, int *cmd_line_len, 5991e45bf73SArd Biesheuvel unsigned long max_addr); 6008166ec09SArd Biesheuvel 6018166ec09SArd Biesheuvel efi_status_t efi_get_memory_map(struct efi_boot_memmap *map); 6028166ec09SArd Biesheuvel 6038166ec09SArd Biesheuvel efi_status_t efi_low_alloc_above(unsigned long size, unsigned long align, 6048166ec09SArd Biesheuvel unsigned long *addr, unsigned long min); 6058166ec09SArd Biesheuvel 6068166ec09SArd Biesheuvel static inline 6078166ec09SArd Biesheuvel efi_status_t efi_low_alloc(unsigned long size, unsigned long align, 6088166ec09SArd Biesheuvel unsigned long *addr) 6098166ec09SArd Biesheuvel { 6108166ec09SArd Biesheuvel /* 6118166ec09SArd Biesheuvel * Don't allocate at 0x0. It will confuse code that 6128166ec09SArd Biesheuvel * checks pointers against NULL. Skip the first 8 6138166ec09SArd Biesheuvel * bytes so we start at a nice even number. 6148166ec09SArd Biesheuvel */ 6158166ec09SArd Biesheuvel return efi_low_alloc_above(size, align, addr, 0x8); 6168166ec09SArd Biesheuvel } 6178166ec09SArd Biesheuvel 6188166ec09SArd Biesheuvel efi_status_t efi_allocate_pages(unsigned long size, unsigned long *addr, 6198166ec09SArd Biesheuvel unsigned long max); 6208166ec09SArd Biesheuvel 6218166ec09SArd Biesheuvel efi_status_t efi_relocate_kernel(unsigned long *image_addr, 6228166ec09SArd Biesheuvel unsigned long image_size, 6238166ec09SArd Biesheuvel unsigned long alloc_size, 6248166ec09SArd Biesheuvel unsigned long preferred_addr, 6258166ec09SArd Biesheuvel unsigned long alignment, 6268166ec09SArd Biesheuvel unsigned long min_addr); 6278166ec09SArd Biesheuvel 6288166ec09SArd Biesheuvel efi_status_t efi_parse_options(char const *cmdline); 6298166ec09SArd Biesheuvel 6308166ec09SArd Biesheuvel efi_status_t efi_setup_gop(struct screen_info *si, efi_guid_t *proto, 6318166ec09SArd Biesheuvel unsigned long size); 6328166ec09SArd Biesheuvel 6339302c1bbSArd Biesheuvel efi_status_t efi_load_dtb(efi_loaded_image_t *image, 6349302c1bbSArd Biesheuvel unsigned long *load_addr, 6359302c1bbSArd Biesheuvel unsigned long *load_size); 6369302c1bbSArd Biesheuvel 6379302c1bbSArd Biesheuvel efi_status_t efi_load_initrd(efi_loaded_image_t *image, 6389302c1bbSArd Biesheuvel unsigned long *load_addr, 6399302c1bbSArd Biesheuvel unsigned long *load_size, 64031f5e546SArd Biesheuvel unsigned long soft_limit, 64131f5e546SArd Biesheuvel unsigned long hard_limit); 6429302c1bbSArd Biesheuvel 643ec93fc37SArd Biesheuvel efi_status_t efi_load_initrd_dev_path(unsigned long *load_addr, 644ec93fc37SArd Biesheuvel unsigned long *load_size, 645ec93fc37SArd Biesheuvel unsigned long max); 646ec93fc37SArd Biesheuvel 647f4f75ad5SArd Biesheuvel #endif 648